reactos/ntoskrnl/ke/main.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id: main.c,v 1.167 2003/08/11 18:50:12 chorns Exp $
  20  *
  21  * PROJECT:         ReactOS kernel
  22  * FILE:            ntoskrnl/ke/main.c
  23  * PURPOSE:         Initalizes the kernel
  24  * PROGRAMMER:      David Welch (welch@cwcom.net)
  25  * UPDATE HISTORY:
  26  *                28/05/98: Created
  27  */
  28
  29 /* INCLUDES *****************************************************************/
  30
  31 #define NTOS_MODE_KERNEL
  32 #include <ntos.h>
  33 #include <internal/ntoskrnl.h>
  34 #include <reactos/resource.h>
  35 #include <internal/mm.h>
  36 #include <internal/ifs.h>
  37 #include <internal/module.h>
  38 #include <internal/ldr.h>
  39 #include <internal/ex.h>
  40 #include <internal/ps.h>
  41 #include <internal/ke.h>
  42 #include <internal/io.h>
  43 #include <internal/po.h>
  44 #include <internal/cc.h>
  45 #include <internal/se.h>
  46 #include <internal/v86m.h>
  47 #include <internal/kd.h>
  48 #include <internal/trap.h>
  49 #include "../dbg/kdb.h"
  50 #include <internal/registry.h>
  51 #include <internal/nls.h>
  52 #include <reactos/bugcodes.h>
  53 #include <ntos/bootvid.h>
  54
  55 #ifdef HALDBG
  56 #include <internal/ntosdbg.h>
  57 #else
  58 #define ps(args...)
  59 #endif
  60
  61 #define NDEBUG
  62 #include <internal/debug.h>
  63
  64 /* GLOBALS *******************************************************************/
  65
  66 ULONG EXPORTED NtBuildNumber = KERNEL_VERSION_BUILD;
  67 ULONG EXPORTED NtGlobalFlag = 0;
  68 CHAR  EXPORTED KeNumberProcessors;
  69 LOADER_PARAMETER_BLOCK EXPORTED KeLoaderBlock;
  70 ULONG EXPORTED KeDcacheFlushCount = 0;
  71 ULONG EXPORTED KeIcacheFlushCount = 0;
  72 static LOADER_MODULE KeLoaderModules[64];
  73 static UCHAR KeLoaderModuleStrings[64][256];
  74 static UCHAR KeLoaderCommandLine[256];
  75 static ADDRESS_RANGE KeMemoryMap[64];
  76 static ULONG KeMemoryMapRangeCount;
  77 static ULONG FirstKrnlPhysAddr;
  78 static ULONG LastKrnlPhysAddr;
  79 static ULONG LastKernelAddress;
  80 volatile BOOLEAN Initialized = FALSE;
  81
  82 extern PVOID Ki386InitialStackArray[MAXIMUM_PROCESSORS];
  83
  84
  85 /* FUNCTIONS ****************************************************************/
  86
  87 static BOOLEAN
  88 RtlpCheckFileNameExtension(PCHAR FileName,
  89                            PCHAR Extension)
  90 {
  91   PCHAR Ext;
  92
  93   Ext = strrchr(FileName, '.');
  94   if (Ext == NULL)
  95     {
  96       if ((Extension == NULL) || (*Extension == 0))
  97         return TRUE;
  98       else
  99         return FALSE;
 100     }
 101
 102   if (*Extension != '.')
 103     Ext++;
 104
 105   if (_stricmp(Ext, Extension) == 0)
 106     return TRUE;
 107   else
 108     return FALSE;
 109 }
 110
 111
 112 static VOID
 113 InitSystemSharedUserPage (PCSZ ParameterLine)
 114 {
 115    UNICODE_STRING ArcDeviceName;
 116    UNICODE_STRING ArcName;
 117    UNICODE_STRING BootPath;
 118    UNICODE_STRING DriveDeviceName;
 119    UNICODE_STRING DriveName;
 120    WCHAR DriveNameBuffer[20];
 121    PCHAR ParamBuffer;
 122    PWCHAR ArcNameBuffer;
 123    PCHAR p;
 124    NTSTATUS Status;
 125    ULONG Length;
 126    OBJECT_ATTRIBUTES ObjectAttributes;
 127    HANDLE Handle;
 128    ULONG i;
 129    BOOLEAN BootDriveFound;
 130
 131    /*
 132     * NOTE:
 133     *   The shared user page has been zeroed-out right after creation.
 134     *   There is NO need to do this again.
 135     */
 136
 137    SharedUserData->NtProductType = NtProductWinNt;
 138
 139    BootDriveFound = FALSE;
 140
 141    /*
 142     * Retrieve the current dos system path
 143     * (e.g.: C:\reactos) from the given arc path
 144     * (e.g.: multi(0)disk(0)rdisk(0)partititon(1)\reactos)
 145     * Format: "<arc_name>\<path> [options...]"
 146     */
 147
 148    /* create local parameter line copy */
 149    ParamBuffer = ExAllocatePool (PagedPool, 256);
 150    strcpy (ParamBuffer, (char *)ParameterLine);
 151    DPRINT("%s\n", ParamBuffer);
 152
 153    /* cut options off */
 154    p = strchr (ParamBuffer, ' ');
 155    if (p)
 156      {
 157         *p = 0;
 158      }
 159    DPRINT("%s\n", ParamBuffer);
 160
 161    /* extract path */
 162    p = strchr (ParamBuffer, '\\');
 163    if (p)
 164      {
 165        DPRINT("Boot path: %s\n", p);
 166        RtlCreateUnicodeStringFromAsciiz (&BootPath, p);
 167        *p = 0;
 168      }
 169    else
 170      {
 171        DPRINT("Boot path: %s\n", "\\");
 172        RtlCreateUnicodeStringFromAsciiz (&BootPath, "\\");
 173      }
 174    DPRINT("Arc name: %s\n", ParamBuffer);
 175
 176    /* Only arc name left - build full arc name */
 177    ArcNameBuffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
 178    swprintf (ArcNameBuffer, L"\\ArcName\\%S", ParamBuffer);
 179    RtlInitUnicodeString (&ArcName, ArcNameBuffer);
 180    DPRINT("Arc name: %wZ\n", &ArcName);
 181
 182    /* free ParamBuffer */
 183    ExFreePool (ParamBuffer);
 184
 185    /* allocate arc device name string */
 186    ArcDeviceName.Length = 0;
 187    ArcDeviceName.MaximumLength = 256 * sizeof(WCHAR);
 188    ArcDeviceName.Buffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
 189
 190    InitializeObjectAttributes (&ObjectAttributes,
 191                                &ArcName,
 192                                OBJ_OPENLINK,
 193                                NULL,
 194                                NULL);
 195
 196    Status = NtOpenSymbolicLinkObject (&Handle,
 197                                       SYMBOLIC_LINK_ALL_ACCESS,
 198                                       &ObjectAttributes);
 199    RtlFreeUnicodeString (&ArcName);
 200    if (!NT_SUCCESS(Status))
 201      {
 202         RtlFreeUnicodeString (&BootPath);
 203         RtlFreeUnicodeString (&ArcDeviceName);
 204         CPRINT("NtOpenSymbolicLinkObject() failed (Status %x)\n",
 205                  Status);
 206
 207         KEBUGCHECK (0x0);
 208      }
 209
 210    Status = NtQuerySymbolicLinkObject (Handle,
 211                                        &ArcDeviceName,
 212                                        &Length);
 213    NtClose (Handle);
 214    if (!NT_SUCCESS(Status))
 215      {
 216         RtlFreeUnicodeString (&BootPath);
 217         RtlFreeUnicodeString (&ArcDeviceName);
 218         CPRINT("NtQuerySymbolicObject() failed (Status %x)\n",
 219                  Status);
 220
 221         KEBUGCHECK (0x0);
 222      }
 223    DPRINT("Length: %lu ArcDeviceName: %wZ\n", Length, &ArcDeviceName);
 224
 225
 226    /* allocate device name string */
 227    DriveDeviceName.Length = 0;
 228    DriveDeviceName.MaximumLength = 256 * sizeof(WCHAR);
 229    DriveDeviceName.Buffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
 230
 231    for (i = 0; i < 26; i++)
 232      {
 233         swprintf (DriveNameBuffer, L"\\??\\%C:", 'A' + i);
 234         RtlInitUnicodeString (&DriveName,
 235                               DriveNameBuffer);
 236
 237         InitializeObjectAttributes (&ObjectAttributes,
 238                                     &DriveName,
 239                                     OBJ_OPENLINK,
 240                                     NULL,
 241                                     NULL);
 242
 243         Status = NtOpenSymbolicLinkObject (&Handle,
 244                                            SYMBOLIC_LINK_ALL_ACCESS,
 245                                            &ObjectAttributes);
 246         if (!NT_SUCCESS(Status))
 247           {
 248              DPRINT("Failed to open link %wZ\n",
 249                     &DriveName);
 250              continue;
 251           }
 252
 253         Status = NtQuerySymbolicLinkObject (Handle,
 254                                             &DriveDeviceName,
 255                                             &Length);
 256         if (!NT_SUCCESS(Status))
 257           {
 258              DPRINT("Failed query open link %wZ\n",
 259                     &DriveName);
 260              continue;
 261           }
 262         DPRINT("Opened link: %wZ ==> %wZ\n",
 263                &DriveName, &DriveDeviceName);
 264
 265         if (!RtlCompareUnicodeString (&ArcDeviceName, &DriveDeviceName, FALSE))
 266           {
 267              DPRINT("DOS Boot path: %c:%wZ\n", 'A' + i, &BootPath);
 268              swprintf(SharedUserData->NtSystemRoot,
 269                       L"%C:%wZ", 'A' + i, &BootPath);
 270
 271              BootDriveFound = TRUE;
 272           }
 273
 274         NtClose (Handle);
 275      }
 276
 277    RtlFreeUnicodeString (&BootPath);
 278    RtlFreeUnicodeString (&DriveDeviceName);
 279    RtlFreeUnicodeString (&ArcDeviceName);
 280
 281    DPRINT("DosDeviceMap: 0x%x\n", SharedUserData->DosDeviceMap);
 282
 283    if (BootDriveFound == FALSE)
 284      {
 285         DbgPrint("No system drive found!\n");
 286         KEBUGCHECK (0x0);
 287      }
 288 }
 289
 290 VOID STATIC
 291 MiFreeBootDriverMemory(PVOID StartAddress, ULONG Length)
 292 {
 293   PHYSICAL_ADDRESS Page;
 294   ULONG i;
 295
 296   for (i = 0; i < PAGE_ROUND_UP(Length)/PAGE_SIZE; i++)
 297   {
 298      Page = MmGetPhysicalAddressForProcess(NULL, StartAddress + i * PAGE_SIZE);
 299      MmDeleteVirtualMapping(NULL, StartAddress + i * PAGE_SIZE, FALSE, NULL, NULL);
 300      MmDereferencePage(Page);
 301   }
 302 }
 303
 304 VOID
 305 ExpInitializeExecutive(VOID)
 306 {
 307   LARGE_INTEGER Timeout;
 308   HANDLE ProcessHandle;
 309   HANDLE ThreadHandle;
 310   ULONG BootDriverCount;
 311   ULONG i;
 312   ULONG start;
 313   ULONG length;
 314   PCHAR name;
 315   CHAR str[50];
 316   NTSTATUS Status;
 317   BOOLEAN SetupBoot;
 318   PCHAR p1, p2;
 319   ULONG MaxMem;
 320   BOOLEAN NoBootScreen = FALSE;
 321   UNICODE_STRING Name;
 322   HANDLE InitDoneEventHandle;
 323   OBJECT_ATTRIBUTES ObjectAttributes;
 324
 325   /*
 326    * Fail at runtime if someone has changed various structures without
 327    * updating the offsets used for the assembler code.
 328    */
 329   assert(FIELD_OFFSET(KTHREAD, InitialStack) == KTHREAD_INITIAL_STACK);
 330   assert(FIELD_OFFSET(KTHREAD, Teb) == KTHREAD_TEB);
 331   assert(FIELD_OFFSET(KTHREAD, KernelStack) == KTHREAD_KERNEL_STACK);
 332   assert(FIELD_OFFSET(KTHREAD, ServiceTable) == KTHREAD_SERVICE_TABLE);
 333   assert(FIELD_OFFSET(KTHREAD, PreviousMode) == KTHREAD_PREVIOUS_MODE);
 334   assert(FIELD_OFFSET(KTHREAD, TrapFrame) == KTHREAD_TRAP_FRAME);
 335   assert(FIELD_OFFSET(KTHREAD, CallbackStack) == KTHREAD_CALLBACK_STACK);
 336   assert(FIELD_OFFSET(ETHREAD, ThreadsProcess) == ETHREAD_THREADS_PROCESS);
 337   assert(FIELD_OFFSET(KPROCESS, DirectoryTableBase) ==
 338          KPROCESS_DIRECTORY_TABLE_BASE);
 339   assert(FIELD_OFFSET(KTRAP_FRAME, Reserved9) == KTRAP_FRAME_RESERVED9);
 340   assert(FIELD_OFFSET(KV86M_TRAP_FRAME, regs) == TF_REGS);
 341   assert(FIELD_OFFSET(KV86M_TRAP_FRAME, orig_ebp) == TF_ORIG_EBP);
 342
 343   assert(FIELD_OFFSET(KPCR, Tib.ExceptionList) == KPCR_EXCEPTION_LIST);
 344   assert(FIELD_OFFSET(KPCR, Self) == KPCR_SELF);
 345   assert(FIELD_OFFSET(IKPCR, Tib.ExceptionList) == KPCR_EXCEPTION_LIST);
 346   assert(FIELD_OFFSET(IKPCR, Self) == KPCR_SELF);
 347   assert(FIELD_OFFSET(IKPCR, CurrentThread) == KPCR_CURRENT_THREAD);
 348
 349   LdrInit1();
 350
 351   KeLowerIrql(DISPATCH_LEVEL);
 352
 353   NtEarlyInitVdm();
 354
 355   p1 = (PCHAR)KeLoaderBlock.CommandLine;
 356
 357   MaxMem = 0;
 358   while(*p1 && (p2 = strchr(p1, '/')))
 359   {
 360      p2++;
 361      if (!_strnicmp(p2, "MAXMEM", 6))
 362      {
 363         p2 += 6;
 364         while (isspace(*p2)) p2++;
 365         if (*p2 == '=')
 366         {
 367            p2++;
 368            while(isspace(*p2)) p2++;
 369            if (isdigit(*p2))
 370            {
 371               while (isdigit(*p2))
 372               {
 373                  MaxMem = MaxMem * 10 + *p2 - '0';
 374                  p2++;
 375               }
 376               break;
 377            }
 378         }
 379      }
 380     else if (!_strnicmp(p2, "NOBOOTSCREEN", 12))
 381       {
 382         p2 += 12;
 383         NoBootScreen = TRUE;
 384       }
 385      p1 = p2;
 386   }
 387
 388   MmInit1(FirstKrnlPhysAddr,
 389           LastKrnlPhysAddr,
 390           LastKernelAddress,
 391           (PADDRESS_RANGE)&KeMemoryMap,
 392           KeMemoryMapRangeCount,
 393           MaxMem > 8 ? MaxMem : 4096);
 394
 395   /* Import ANSI code page table */
 396   for (i = 1; i < KeLoaderBlock.ModsCount; i++)
 397     {
 398       start = KeLoaderModules[i].ModStart;
 399       length = KeLoaderModules[i].ModEnd - start;
 400
 401       name = strrchr((PCHAR)KeLoaderModules[i].String, '\\');
 402       if (name == NULL)
 403         {
 404           name = (PCHAR)KeLoaderModules[i].String;
 405         }
 406       else
 407         {
 408           name++;
 409         }
 410
 411       if (!_stricmp (name, "ansi.nls"))
 412         {
 413           RtlpImportAnsiCodePage((PUSHORT)start, length);
 414         }
 415     }
 416
 417   /* Import OEM code page table */
 418   for (i = 1; i < KeLoaderBlock.ModsCount; i++)
 419     {
 420       start = KeLoaderModules[i].ModStart;
 421       length = KeLoaderModules[i].ModEnd - start;
 422
 423       name = strrchr((PCHAR)KeLoaderModules[i].String, '\\');
 424       if (name == NULL)
 425         {
 426           name = (PCHAR)KeLoaderModules[i].String;
 427         }
 428       else
 429         {
 430           name++;
 431         }
 432
 433       if (!_stricmp (name, "oem.nls"))
 434         {
 435           RtlpImportOemCodePage((PUSHORT)start, length);
 436         }
 437     }
 438
 439   /* Import Unicode casemap table */
 440   for (i = 1; i < KeLoaderBlock.ModsCount; i++)
 441     {
 442       start = KeLoaderModules[i].ModStart;
 443       length = KeLoaderModules[i].ModEnd - start;
 444
 445       name = strrchr((PCHAR)KeLoaderModules[i].String, '\\');
 446       if (name == NULL)
 447         {
 448           name = (PCHAR)KeLoaderModules[i].String;
 449         }
 450       else
 451         {
 452           name++;
 453         }
 454
 455       if (!_stricmp (name, "casemap.nls"))
 456         {
 457           RtlpImportUnicodeCasemap((PUSHORT)start, length);
 458         }
 459     }
 460
 461   /* Create initial NLS tables */
 462   RtlpCreateInitialNlsTables();
 463
 464   /*
 465    * Initialize the kernel debugger
 466    */
 467   KdInitSystem (0, (PLOADER_PARAMETER_BLOCK)&KeLoaderBlock);
 468
 469   MmInit2();
 470   KeInit2();
 471
 472   KeLowerIrql(PASSIVE_LEVEL);
 473
 474   if (!SeInit1())
 475     KEBUGCHECK(SECURITY_INITIALIZATION_FAILED);
 476
 477   ObInit();
 478
 479   if (!SeInit2())
 480     KEBUGCHECK(SECURITY1_INITIALIZATION_FAILED);
 481
 482   PiInitProcessManager();
 483
 484   KdInit1();
 485
 486   if (KdPollBreakIn ())
 487     {
 488       DbgBreakPointWithStatus (DBG_STATUS_CONTROL_C);
 489     }
 490
 491   /* Initialize all processors */
 492   KeNumberProcessors = 0;
 493
 494   while (!HalAllProcessorsStarted())
 495     {
 496       PVOID ProcessorStack;
 497
 498       if (KeNumberProcessors != 0)
 499         {
 500           KePrepareForApplicationProcessorInit(KeNumberProcessors);
 501           PsPrepareForApplicationProcessorInit(KeNumberProcessors);
 502         }
 503       /* Allocate a stack for use when booting the processor */
 504       /* FIXME: The nonpaged memory for the stack is not released after use */
 505       ProcessorStack =
 506         ExAllocatePool(NonPagedPool, MM_STACK_SIZE) + MM_STACK_SIZE;
 507       Ki386InitialStackArray[((int)KeNumberProcessors)] =
 508         (PVOID)(ProcessorStack - MM_STACK_SIZE);
 509       HalInitializeProcessor(KeNumberProcessors, ProcessorStack);
 510       KeNumberProcessors++;
 511     }
 512
 513   /*
 514    * Initialize various critical subsystems
 515    */
 516   HalInitSystem(1, (PLOADER_PARAMETER_BLOCK)&KeLoaderBlock);
 517
 518   ExInit();
 519   IoInit();
 520   PoInit();
 521   LdrInitModuleManagement();
 522   CmInitializeRegistry();
 523   NtInit();
 524   MmInit3();
 525   CcInit();
 526   KdInit2();
 527   FsRtlpInitFileLockingImplementation();
 528
 529   /* Report all resources used by hal */
 530   HalReportResourceUsage();
 531
 532   /* Display the boot screen image if not disabled */
 533   if (!NoBootScreen)
 534     {
 535       InbvEnableBootDriver(TRUE);
 536     }
 537
 538   /*
 539    * Clear the screen to blue
 540    */
 541   HalInitSystem(2, (PLOADER_PARAMETER_BLOCK)&KeLoaderBlock);
 542
 543   /*
 544    * Display version number and copyright/warranty message
 545    */
 546   HalDisplayString("Starting ReactOS "KERNEL_VERSION_STR" (Build "
 547                    KERNEL_VERSION_BUILD_STR")\n");
 548   HalDisplayString(RES_STR_LEGAL_COPYRIGHT);
 549   HalDisplayString("\n\nReactOS is free software, covered by the GNU General "
 550                    "Public License, and you\n");
 551   HalDisplayString("are welcome to change it and/or distribute copies of it "
 552                    "under certain\n");
 553   HalDisplayString("conditions. There is absolutely no warranty for "
 554                    "ReactOS.\n\n");
 555
 556   if (KeNumberProcessors > 1)
 557     {
 558       sprintf(str,
 559               "Found %d system processors. [%lu MB Memory]\n",
 560               KeNumberProcessors,
 561               (KeLoaderBlock.MemHigher + 1088)/ 1024);
 562     }
 563   else
 564     {
 565       sprintf(str,
 566               "Found 1 system processor. [%lu MB Memory]\n",
 567               (KeLoaderBlock.MemHigher + 1088)/ 1024);
 568     }
 569   HalDisplayString(str);
 570
 571   KdInit3();
 572
 573
 574   /* Create the NLS section */
 575   RtlpCreateNlsSection();
 576
 577   /*
 578    * Initalize services loaded at boot time
 579    */
 580   DPRINT("%d files loaded\n",KeLoaderBlock.ModsCount);
 581   for (i=0; i < KeLoaderBlock.ModsCount; i++)
 582     {
 583       CPRINT("Module: '%s' at %08lx, length 0x%08lx\n",
 584        KeLoaderModules[i].String,
 585        KeLoaderModules[i].ModStart,
 586        KeLoaderModules[i].ModEnd - KeLoaderModules[i].ModStart);
 587     }
 588
 589   /* Pass 1: import system hive registry chunk */
 590   SetupBoot = TRUE;
 591   for (i = 1; i < KeLoaderBlock.ModsCount; i++)
 592     {
 593       start = KeLoaderModules[i].ModStart;
 594       length = KeLoaderModules[i].ModEnd - start;
 595
 596       DPRINT("Module: '%s'\n", (PCHAR)KeLoaderModules[i].String);
 597       name = strrchr((PCHAR)KeLoaderModules[i].String, '\\');
 598       if (name == NULL)
 599         {
 600           name = (PCHAR)KeLoaderModules[i].String;
 601         }
 602       else
 603         {
 604           name++;
 605         }
 606
 607       if (!_stricmp (name, "system") ||
 608           !_stricmp (name, "system.hiv"))
 609         {
 610           CPRINT("Process system hive registry chunk at %08lx\n", start);
 611           SetupBoot = FALSE;
 612           CmImportSystemHive((PCHAR)start, length);
 613         }
 614     }
 615
 616   /* Pass 2: import hardware hive registry chunk */
 617   for (i = 1; i < KeLoaderBlock.ModsCount; i++)
 618     {
 619       start = KeLoaderModules[i].ModStart;
 620       length = KeLoaderModules[i].ModEnd - start;
 621       name = (PCHAR)KeLoaderModules[i].String;
 622       if (!_stricmp (name, "hardware") ||
 623           !_stricmp (name, "hardware.hiv"))
 624         {
 625           CPRINT("Process hardware hive registry chunk at %08lx\n", start);
 626           CmImportHardwareHive((PCHAR)start, length);
 627         }
 628     }
 629
 630   /* Create dummy keys if no hardware hive was found */
 631   CmImportHardwareHive (NULL, 0);
 632
 633   /* Initialize volatile registry settings */
 634   if (SetupBoot == FALSE)
 635     {
 636       CmInit2((PCHAR)KeLoaderBlock.CommandLine);
 637     }
 638
 639   /*
 640    * Enter the kernel debugger before starting up the boot drivers
 641    */
 642 #ifdef KDBG
 643   KdbEnter();
 644 #endif /* KDBG */
 645
 646   IoCreateDriverList();
 647
 648   IoInit2();
 649
 650   /* Pass 3: process boot loaded drivers */
 651   BootDriverCount = 0;
 652   for (i=1; i < KeLoaderBlock.ModsCount; i++)
 653     {
 654       start = KeLoaderModules[i].ModStart;
 655       length = KeLoaderModules[i].ModEnd - start;
 656       name = (PCHAR)KeLoaderModules[i].String;
 657       if (RtlpCheckFileNameExtension(name, ".sys") ||
 658           RtlpCheckFileNameExtension(name, ".sym"))
 659         {
 660           CPRINT("Initializing driver '%s' at %08lx, length 0x%08lx\n",
 661                  name, start, length);
 662           LdrInitializeBootStartDriver((PVOID)start, name, length);
 663         }
 664       if (RtlpCheckFileNameExtension(name, ".sys"))
 665         BootDriverCount++;
 666     }
 667
 668   /* Pass 4: free memory for all boot files, except ntoskrnl.exe and hal.dll */
 669   for (i = 2; i < KeLoaderBlock.ModsCount; i++)
 670     {
 671 #ifdef KDBG
 672        /* Do not free the memory from symbol files, if the kernel debugger is activ */
 673        if (!RtlpCheckFileNameExtension(name, ".sym"))
 674 #endif
 675          {
 676            MiFreeBootDriverMemory((PVOID)KeLoaderModules[i].ModStart,
 677                                   KeLoaderModules[i].ModEnd - KeLoaderModules[i].ModStart);
 678          }
 679     }
 680
 681   if (BootDriverCount == 0)
 682     {
 683       DbgPrint("No boot drivers available.\n");
 684       KEBUGCHECK(0);
 685     }
 686
 687   /* Create ARC names for boot devices */
 688   IoCreateArcNames();
 689
 690   /* Create the SystemRoot symbolic link */
 691   CPRINT("CommandLine: %s\n", (PUCHAR)KeLoaderBlock.CommandLine);
 692   Status = IoCreateSystemRootLink((PUCHAR)KeLoaderBlock.CommandLine);
 693   if (!NT_SUCCESS(Status))
 694     KEBUGCHECK(INACCESSIBLE_BOOT_DEVICE);
 695
 696 #ifdef DBGPRINT_FILE_LOG
 697   /* On the assumption that we can now access disks start up the debug
 698      logger thread */
 699   DebugLogInit2();
 700 #endif /* DBGPRINT_FILE_LOG */
 701
 702 #ifdef KDBG
 703   KdbInitProfiling2();
 704 #endif /* KDBG */
 705
 706
 707   PiInitDefaultLocale();
 708
 709 #if 0
 710   /*
 711    * Load boot start drivers
 712    */
 713   IopLoadBootStartDrivers();
 714 #else
 715   /*
 716    * Load Auto configured drivers
 717    */
 718   LdrLoadAutoConfigDrivers();
 719 #endif
 720
 721   IoDestroyDriverList();
 722
 723   /*
 724    * Assign drive letters
 725    */
 726   IoAssignDriveLetters ((PLOADER_PARAMETER_BLOCK)&KeLoaderBlock,
 727                         NULL,
 728                         NULL,
 729                         NULL);
 730
 731   /*
 732    * Initialize shared user page:
 733    *  - set dos system path, dos device map, etc.
 734    */
 735   InitSystemSharedUserPage ((PUCHAR)KeLoaderBlock.CommandLine);
 736
 737   /* Create 'ReactOSInitDone' event */
 738   RtlInitUnicodeString(&Name, L"\\ReactOSInitDone");
 739   InitializeObjectAttributes(&ObjectAttributes,
 740     &Name,
 741     0,
 742     NULL,
 743     NULL);
 744   Status = NtCreateEvent(&InitDoneEventHandle,
 745     EVENT_ALL_ACCESS,
 746     &ObjectAttributes,
 747     FALSE,              /* Synchronization event */
 748     FALSE);             /* Not signalled */
 749   if (!NT_SUCCESS(Status))
 750     {
 751       DPRINT1("Failed to create 'ReactOSInitDone' event (Status 0x%x)\n", Status);
 752       InitDoneEventHandle = INVALID_HANDLE_VALUE;
 753     }
 754
 755   /*
 756    *  Launch initial process
 757    */
 758   Status = LdrLoadInitialProcess(&ProcessHandle,
 759                                  &ThreadHandle);
 760   if (!NT_SUCCESS(Status))
 761     {
 762       KEBUGCHECKEX(SESSION4_INITIALIZATION_FAILED, Status, 0, 0, 0);
 763     }
 764
 765   if (InitDoneEventHandle != INVALID_HANDLE_VALUE)
 766     {
 767       HANDLE Handles[2]; /* Init event, Initial process */
 768
 769       Handles[0] = InitDoneEventHandle;
 770       Handles[1] = ProcessHandle;
 771
 772       /* Wait for the system to be initialized */
 773       Timeout.QuadPart = -1200000000LL;  /* 120 second timeout */
 774       Status = NtWaitForMultipleObjects(((LONG) sizeof(Handles) / sizeof(HANDLE)),
 775         Handles,
 776         WaitAny,
 777         FALSE,    /* Non-alertable */
 778         &Timeout);
 779       if (!NT_SUCCESS(Status))
 780         {
 781           DPRINT1("NtWaitForMultipleObjects failed with status 0x%x!\n", Status);
 782         }
 783       else if (Status == STATUS_TIMEOUT)
 784         {
 785           DPRINT1("WARNING: System not initialized after 120 seconds.\n");
 786         }
 787       else if (Status == STATUS_WAIT_0 + 1)
 788         {
 789           /*
 790            * Crash the system if the initial process was terminated.
 791            */
 792           KEBUGCHECKEX(SESSION5_INITIALIZATION_FAILED, Status, 0, 0, 0);
 793         }
 794
 795       if (!NoBootScreen)
 796         {
 797           InbvEnableBootDriver(FALSE);
 798         }
 799
 800       NtSetEvent(InitDoneEventHandle, NULL);
 801
 802       NtClose(InitDoneEventHandle);
 803     }
 804   else
 805     {
 806       /* On failure to create 'ReactOSInitDone' event, go to text mode ASAP */
 807       if (!NoBootScreen)
 808         {
 809           InbvEnableBootDriver(FALSE);
 810         }
 811
 812       /*
 813        * Crash the system if the initial process terminates within 5 seconds.
 814        */
 815       Timeout.QuadPart = -50000000LL;
 816       Status = NtWaitForSingleObject(ProcessHandle,
 817                                  FALSE,
 818                                  &Timeout);
 819       if (Status != STATUS_TIMEOUT)
 820         {
 821           KEBUGCHECKEX(SESSION5_INITIALIZATION_FAILED, Status, 0, 0, 0);
 822         }
 823     }
 824
 825   NtClose(ThreadHandle);
 826   NtClose(ProcessHandle);
 827
 828   PsTerminateSystemThread(STATUS_SUCCESS);
 829 }
 830
 831
 832 VOID
 833 KiSystemStartup(BOOLEAN BootProcessor)
 834 {
 835   HalInitSystem (0, (PLOADER_PARAMETER_BLOCK)&KeLoaderBlock);
 836
 837   if (BootProcessor)
 838     {
 839       /* Never returns */
 840       ExpInitializeExecutive();
 841       KEBUGCHECK(0);
 842     }
 843   /* Do application processor initialization */
 844   KeApplicationProcessorInit();
 845   PsApplicationProcessorInit();
 846   KeLowerIrql(PASSIVE_LEVEL);
 847   PsIdleThreadMain(NULL);
 848   KEBUGCHECK(0);
 849   for(;;);
 850 }
 851
 852 VOID
 853 _main (ULONG MultiBootMagic, PLOADER_PARAMETER_BLOCK _LoaderBlock)
 854 /*
 855  * FUNCTION: Called by the boot loader to start the kernel
 856  * ARGUMENTS:
 857  *          LoaderBlock = Pointer to boot parameters initialized by the boot
 858  *                        loader
 859  * NOTE: The boot parameters are stored in low memory which will become
 860  * invalid after the memory managment is initialized so we make a local copy.
 861  */
 862 {
 863   ULONG i;
 864   ULONG size;
 865   ULONG last_kernel_address;
 866   extern ULONG _bss_end__;
 867   ULONG HalBase;
 868   ULONG DriverBase;
 869   ULONG DriverSize;
 870
 871   /* Low level architecture specific initialization */
 872   KeInit1();
 873
 874   /*
 875    * Copy the parameters to a local buffer because lowmem will go away
 876    */
 877   memcpy(&KeLoaderBlock, _LoaderBlock, sizeof(LOADER_PARAMETER_BLOCK));
 878   memcpy(&KeLoaderModules[1], (PVOID)KeLoaderBlock.ModsAddr,
 879          sizeof(LOADER_MODULE) * KeLoaderBlock.ModsCount);
 880   KeLoaderBlock.ModsCount++;
 881   KeLoaderBlock.ModsAddr = (ULONG)&KeLoaderModules;
 882
 883   /*
 884    * Convert a path specification in the grub format to one understood by the
 885    * rest of the kernel.
 886    */
 887   if (((PUCHAR)_LoaderBlock->CommandLine)[0] == '(')
 888     {
 889       ULONG DiskNumber = 0, PartNumber = 0;
 890       PCH p;
 891       CHAR Temp[256];
 892       PCH options;
 893       PCH s1;
 894
 895       if (((PUCHAR)_LoaderBlock->CommandLine)[1] == 'h' &&
 896           ((PUCHAR)_LoaderBlock->CommandLine)[2] == 'd')
 897         {
 898           DiskNumber = ((PUCHAR)_LoaderBlock->CommandLine)[3] - '0';
 899           PartNumber = ((PUCHAR)_LoaderBlock->CommandLine)[5] - '0';
 900         }
 901       strcpy(Temp, &((PUCHAR)_LoaderBlock->CommandLine)[7]);
 902       if ((options = strchr(Temp, ' ')) != NULL)
 903         {
 904           *options = 0;
 905           options++;
 906         }
 907       else
 908         {
 909           options = "";
 910         }
 911       if ((s1 = strrchr(Temp, '/')) != NULL)
 912         {
 913           *s1 = 0;
 914           if ((s1 = strrchr(Temp, '/')) != NULL)
 915             {
 916               *s1 = 0;
 917             }
 918         }
 919       sprintf(KeLoaderCommandLine,
 920               "multi(0)disk(0)rdisk(%lu)partition(%lu)%s %s",
 921               DiskNumber, PartNumber + 1, Temp, options);
 922
 923       p = KeLoaderCommandLine;
 924       while (*p != 0 && *p != ' ')
 925         {
 926           if ((*p) == '/')
 927             {
 928               (*p) = '\\';
 929             }
 930           p++;
 931         }
 932       DPRINT1("Command Line: %s\n", KeLoaderCommandLine);
 933     }
 934   else
 935     {
 936       strcpy(KeLoaderCommandLine, (PUCHAR)_LoaderBlock->CommandLine);
 937     }
 938   KeLoaderBlock.CommandLine = (ULONG)KeLoaderCommandLine;
 939
 940   strcpy(KeLoaderModuleStrings[0], "ntoskrnl.exe");
 941   KeLoaderModules[0].String = (ULONG)KeLoaderModuleStrings[0];
 942   KeLoaderModules[0].ModStart = 0xC0000000;
 943   KeLoaderModules[0].ModEnd = PAGE_ROUND_UP((ULONG)&_bss_end__);
 944   for (i = 1; i < KeLoaderBlock.ModsCount; i++)
 945     {
 946       CHAR* s;
 947       if ((s = strrchr((PUCHAR)KeLoaderModules[i].String, '/')) != 0)
 948         {
 949           strcpy(KeLoaderModuleStrings[i], s + 1);
 950         }
 951       else
 952         {
 953           strcpy(KeLoaderModuleStrings[i], (PUCHAR)KeLoaderModules[i].String);
 954         }
 955       KeLoaderModules[i].ModStart -= 0x200000;
 956       KeLoaderModules[i].ModStart += 0xc0000000;
 957       KeLoaderModules[i].ModEnd -= 0x200000;
 958       KeLoaderModules[i].ModEnd += 0xc0000000;
 959       KeLoaderModules[i].String = (ULONG)KeLoaderModuleStrings[i];
 960     }
 961
 962 #ifdef HAL_DBG
 963   HalnInitializeDisplay((PLOADER_PARAMETER_BLOCK)&KeLoaderBlock);
 964 #endif
 965
 966   HalBase = KeLoaderModules[1].ModStart;
 967   DriverBase =
 968     PAGE_ROUND_UP(KeLoaderModules[KeLoaderBlock.ModsCount - 1].ModEnd);
 969
 970   /*
 971    * Process hal.dll
 972    */
 973   LdrSafePEProcessModule((PVOID)HalBase, (PVOID)DriverBase, (PVOID)0xC0000000, &DriverSize);
 974
 975   LdrHalBase = (ULONG_PTR)DriverBase;
 976   last_kernel_address = DriverBase + DriverSize;
 977
 978   /*
 979    * Process ntoskrnl.exe
 980    */
 981   LdrSafePEProcessModule((PVOID)0xC0000000, (PVOID)0xC0000000, (PVOID)DriverBase, &DriverSize);
 982
 983   FirstKrnlPhysAddr = KeLoaderModules[0].ModStart - 0xc0000000 + 0x200000;
 984   LastKrnlPhysAddr = last_kernel_address - 0xc0000000 + 0x200000;
 985   LastKernelAddress = last_kernel_address;
 986
 987 #ifndef ACPI
 988   /* FIXME: VMware does not like it when ReactOS is using the BIOS memory map */
 989   KeLoaderBlock.Flags &= ~MB_FLAGS_MMAP_INFO;
 990 #endif
 991
 992   KeMemoryMapRangeCount = 0;
 993   if (KeLoaderBlock.Flags & MB_FLAGS_MMAP_INFO)
 994     {
 995       /* We have a memory map from the nice BIOS */
 996       size = *((PULONG)(KeLoaderBlock.MmapAddr - sizeof(ULONG)));
 997       i = 0;
 998       while (i < KeLoaderBlock.MmapLength)
 999         {
1000           memcpy (&KeMemoryMap[KeMemoryMapRangeCount],
1001             (PVOID)(KeLoaderBlock.MmapAddr + i),
1002                   sizeof(ADDRESS_RANGE));
1003           KeMemoryMapRangeCount++;
1004           i += size;
1005         }
1006     }
1007
1008   KiSystemStartup(1);
1009 }
1010
1011 /* EOF */
1012